Source code for glance.cmd.api

#!/usr/bin/env python

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

"""
Glance API Server
"""

import os
import sys

import eventlet
from oslo_utils import encodeutils


# Monkey patch socket, time, select, threads
eventlet.patcher.monkey_patch(all=False, socket=True, time=True,
                              select=True, thread=True, os=True)

# If ../glance/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
                                   os.pardir,
                                   os.pardir))
if os.path.exists(os.path.join(possible_topdir, 'glance', '__init__.py')):
    sys.path.insert(0, possible_topdir)

import glance_store
from oslo_config import cfg
from oslo_log import log as logging
import oslo_messaging
import osprofiler.notifier
import osprofiler.web

from glance.common import config
from glance.common import exception
from glance.common import wsgi
from glance import notifier

CONF = cfg.CONF
CONF.import_group("profiler", "glance.common.wsgi")
logging.register_options(CONF)

KNOWN_EXCEPTIONS = (RuntimeError,
                    exception.WorkerCreationFailure,
                    glance_store.exceptions.BadStoreConfiguration)


[docs]def fail(e): global KNOWN_EXCEPTIONS return_code = KNOWN_EXCEPTIONS.index(type(e)) + 1 sys.stderr.write("ERROR: %s\n" % encodeutils.exception_to_unicode(e)) sys.exit(return_code)
[docs]def main(): try: config.parse_args() config.set_config_defaults() wsgi.set_eventlet_hub() logging.setup(CONF, 'glance') notifier.set_defaults() if cfg.CONF.profiler.enabled: _notifier = osprofiler.notifier.create("Messaging", oslo_messaging, {}, notifier.get_transport(), "glance", "api", cfg.CONF.bind_host) osprofiler.notifier.set(_notifier) osprofiler.web.enable(cfg.CONF.profiler.hmac_keys) else: osprofiler.web.disable() server = wsgi.Server(initialize_glance_store=True) server.start(config.load_paste_app('glance-api'), default_port=9292) server.wait() except KNOWN_EXCEPTIONS as e: fail(e)
if __name__ == '__main__': main()

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